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Get the result by passing your Get class instance to the get method of the HTable class. This method returns the Result class object, which holds the requested result.

Excellent ! Your Answer is Correct.

The ________ class provides the getValue() method to read the values from its instance.

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The ________ class provides the getValue() method to read the values from its instance.

Result

Excellent ! Your Answer is Correct.

Get

Put

Value

__________ class adds HBase configuration files to its object.

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__________ class adds HBase configuration files to its object.

Configuration

Excellent ! Your Answer is Correct. You can create a configuration object using the create() method of the HbaseConfiguration class.

Collector

Component

None of the Option is Correct

The standard output (stdout) and error (stderr) streams of the task are read by the TaskTracker and logged to :

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The standard output (stdout) and error (stderr) streams of the task are read by the TaskTracker and logged to :

${HADOOP_LOG_DIR}/userlogs

Excellent ! Your Answer is Correct. The child-jvm always has its current working directory added to the java.library.path and LD_LIBRARY_PATH.

${HADOOP_LOG_DIR}/user

${HADOOP_LOG_DIR}/logs

None of the Option is Correct

During the execution of a streaming job, the names of the _______ parameters are transformed.

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During the execution of a streaming job, the names of the _______ parameters are transformed.

mapred

Excellent ! Your Answer is Correct. To get the values in a streaming job’s mapper/reducer use the parameter names with the underscores.

mapvim

vmap

mapreduce

The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.

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The ___________ executes the Mapper/ Reducer task as a child process in a separate jvm.

JobTracker

Excellent ! Your Answer is Correct. The child-task inherits the environment of the parent TaskTracker.

TaskTracker

TaskScheduler

None of the Option is Correct

__________ is the primary interface for a user to describe a MapReduce job to the Hadoop framework for execution.

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__________ is the primary interface for a user to describe a MapReduce job to the Hadoop framework for execution.

JobConf

Excellent ! Your Answer is Correct. JobConf is typically used to specify the Mapper, combiner (if any), Partitioner, Reducer, InputFormat, OutputFormat and OutputCommitter implementations.

JobConfig

JobConfiguration

All Options are Correct

Point out the wrong statement :

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Point out the wrong statement :

All Options are Correct

Excellent ! Your Answer is Correct. Outputs of the map-tasks go directly to the FileSystem, into the output path set by setOutputPath(Path).

It is legal to set the number of reduce-tasks to zero if no reduction is desired

The outputs of the map-tasks go directly to the FileSystem

he Mapreduce framework does not sort the map-outputs before writing them out to the FileSystem

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